Display apparatus and control method therefor

A control method of a display apparatus, comprising:

• obtaining weight value information for a plurality of clusters classified according to picture quality by inputting an input image in a prediction neural network model;
• obtaining an adaptive neural network model by respectively applying the weight value information to a plurality of neural network models corresponding to the plurality of clusters;
• and
• obtaining an output image with improved picture quality by inputting the input image in the adaptive neural network model,
• wherein the prediction neural network model is a model trained to output a plurality of probability values for the plurality of clusters based on loss information for a plurality of output images obtained by inputting a plurality of learning images into the plurality of neural network models.

A non-transitory computer readable medium having instructions stored therein, which when executed by a processor cause the processor to execute a control method of a display apparatus, the control method comprising:

• obtaining weight value information for a plurality of clusters classified according to picture quality by inputting an input image in a prediction neural network model;
• obtaining an adaptive neural network model by respectively applying the weight value information to a plurality of neural network models corresponding to the plurality of clusters;
• and
• obtaining an output image with improved picture quality by inputting the input image in the adaptive neural network model,
• wherein the prediction neural network model is a model trained to output a plurality of probability values for the plurality of clusters based on loss information for a plurality of output images obtained by inputting a plurality of learning images into the plurality of neural network models.